CN211176670U - Infrared device and fixing device thereof - Google Patents
Infrared device and fixing device thereof Download PDFInfo
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- CN211176670U CN211176670U CN201921977042.5U CN201921977042U CN211176670U CN 211176670 U CN211176670 U CN 211176670U CN 201921977042 U CN201921977042 U CN 201921977042U CN 211176670 U CN211176670 U CN 211176670U
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- 239000011435 rock Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an infrared device and a fixing device thereof, wherein the infrared device comprises a first cover plate, a second cover plate, a circuit board and a fixing mechanism; the first cover plate and the second cover plate are fixed through the fixing mechanism, after the first cover plate and the second cover plate are fixedly connected, a cavity is formed between the first cover plate and the second cover plate, and the circuit board is arranged in the cavity; the fixing mechanism comprises a first screw sleeve and a second screw sleeve, and the first cover plate and the second cover plate are respectively provided with a through hole for the first screw sleeve and the second screw sleeve to pass through; the first screw sleeve is provided with an internal thread, the second screw sleeve is provided with an external thread, and the first screw sleeve can be matched and locked with the second screw sleeve. The utility model provides an infrared device and fixing device thereof can avoid the circuit board to rock, avoids the apron perk, improves infrared device's reliability.
Description
Technical Field
The utility model belongs to the technical field of infrared generating device, especially, relate to an infrared device and fixing device thereof.
Background
Infrared is a short name for infrared and is an electromagnetic wave; since 1800 s was discovered, it has found widespread use, such as infrared mouse, infrared printer, infrared keyboard, elevator light curtain, etc.
The existing infrared transmitting device is provided with an upper cover plate and a lower cover plate, one end of the upper cover plate and one end of the lower cover plate are fixed through screws, and the other end of the upper cover plate and the other end of the lower cover plate are at the risk of tilting. Meanwhile, the upper cover plate and the lower cover plate form a cavity, the circuit board and the infrared lamp are arranged in the cavity, and the circuit board is easy to shake up, down, left and right in the cavity, so that the infrared device is low in reliability and easy to damage.
In view of the above, there is a need to design a new infrared device to overcome the above-mentioned drawbacks of the existing infrared devices.
SUMMERY OF THE UTILITY MODEL
The utility model provides an infrared device and fixing device thereof can avoid the circuit board to rock, avoids the apron perk, improves infrared device's reliability.
For solving the technical problem, according to the utility model discloses an aspect adopts following technical scheme:
an infrared device, comprising: the device comprises a first cover plate, a second cover plate, a circuit board and a fixing mechanism;
the first cover plate and the second cover plate are fixed through the fixing mechanism, after the first cover plate and the second cover plate are fixedly connected, a cavity is formed between the first cover plate and the second cover plate, and the circuit board is arranged in the cavity;
the fixing mechanism comprises a first screw sleeve and a second screw sleeve, and the first cover plate and the second cover plate are respectively provided with a through hole for the first screw sleeve and the second screw sleeve to pass through; the first screw sleeve is provided with an internal thread, the second screw sleeve is provided with an external thread, and the first screw sleeve can be matched and locked with the second screw sleeve.
As an embodiment of the present invention, when the fixing mechanism is in the first state, the first end of the first screw sleeve contacts with the first surface of the circuit board, so as to fix the circuit board and prevent the circuit board from shaking in the first direction; the circuit board is provided with a second through hole, and the second screw sleeve penetrates through the second through hole; the supporting mechanism that the second screw cover was equipped with can support the second face of circuit board, avoids the circuit board to rock towards the second direction.
As an embodiment of the present invention, the axial cross-sectional view of the second screw sleeve is a convex structure, and the outer diameter of the bottom of the second screw sleeve is larger than the outer diameter of the part above the bottom; the bottom of the second screw sleeve is used as the supporting mechanism.
As an embodiment of the present invention, the circuit board is provided with a second through hole, the fixing mechanism passes through the second through hole, and the fixing mechanism contacts with the periphery of the second through hole to generate a force exceeding the set threshold.
As an embodiment of the present invention, the first screw sleeve and the second screw sleeve are hollow structures respectively.
As an embodiment of the present invention, an infrared lamp and a filter strip are disposed in a cavity formed between the first cover plate and the second cover plate, and the infrared lamp is disposed toward the filter strip; the bottom of the light filtering strip is arranged in a groove formed in the second cover plate, and the bottom of the light filtering strip is connected with the circuit board.
As an implementation manner of the present invention, the second cover plate is provided with a groove, the two ends of the groove are respectively provided with a first limiting mechanism and a second limiting mechanism, and the circuit board is arranged in the groove of the second cover plate;
the first end of the circuit board is connected with the first limiting mechanism, the first end of the light filtering strip is connected with the second end of the circuit board, and the second end of the light filtering strip is connected with the second limiting mechanism;
the first cover plate and the second cover plate form a cavity with an -shaped section, one side of the cavity is of an open structure, and the light filtering strip is arranged on one side of the cavity, which is in the open structure.
As an embodiment of the present invention, the outer diameter of the second end of the first screw sleeve is larger than the outer diameters of other portions of the first screw sleeve, and is used as a limiting mechanism to prevent the whole first screw sleeve from entering the cavity;
the outer diameter of the second end of the second screw sleeve is larger than the outer diameters of other parts of the second screw sleeve, and the second screw sleeve is used as a limiting mechanism to prevent the whole second screw sleeve from entering the cavity.
According to another aspect of the utility model, adopt following technical scheme: a fixture for an infrared device, the fixture comprising: the device comprises a first cover plate, a second cover plate and a fixing mechanism; the infrared device comprises a circuit board;
the first cover plate and the second cover plate are fixed through the fixing mechanism, after the first cover plate and the second cover plate are fixedly connected, a cavity is formed between the first cover plate and the second cover plate, and the circuit board is arranged in the cavity;
the fixing mechanism comprises a first screw sleeve and a second screw sleeve, and the first cover plate and the second cover plate are respectively provided with a through hole for the first screw sleeve and the second screw sleeve to pass through; the first screw sleeve is provided with an internal thread, the second screw sleeve is provided with an external thread, and the first screw sleeve can be matched and locked with the second screw sleeve.
As an embodiment of the present invention, the circuit board is provided with a second through hole, the fixing mechanism passes through the second through hole, and the fixing mechanism contacts with the periphery of the second through hole, so as to generate a force exceeding a set threshold;
the first end of the first screw sleeve is in contact with the first surface of the circuit board, so that the circuit board can be fixed and is prevented from shaking towards the first direction; the supporting mechanism that the second screw cover was equipped with can support the second face of circuit board, avoids the circuit board to rock towards the second direction.
The beneficial effects of the utility model reside in that: the utility model provides an infrared device and fixing device thereof can avoid the circuit board to rock, avoids the apron perk, improves infrared device's reliability.
Drawings
Fig. 1 is a sectional view of an infrared device according to an embodiment of the present invention.
Fig. 2 is a sectional view of a part of the structure of an infrared device according to an embodiment of the present invention.
Fig. 3 is an exploded view of an infrared device according to an embodiment of the present invention.
Fig. 4 is a flowchart of a processing method of the infrared device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.
The description in this section is for exemplary embodiments only, and the present invention is not limited to the scope of the embodiments described. The same or similar prior art means and some technical features of the embodiments are mutually replaced and are also within the scope of the description and the protection of the invention.
The utility model discloses an infrared device and a fixing device thereof, and figures 1 to 3 are schematic structural diagrams of the infrared device in an embodiment of the utility model; referring to fig. 1 to 3, the infrared device includes: a first cover plate 1, a second cover plate 4, a circuit board 6 and a fixing mechanism (the fixing device comprises the first cover plate 1, the second cover plate 4 and the fixing mechanism); the first cover plate 1 and the second cover plate 4 are fixed through the fixing mechanism, after the first cover plate 1 and the second cover plate 4 are fixedly connected, a cavity is formed between the first cover plate 1 and the second cover plate 4, and the circuit board 6 is arranged in the cavity.
The fixing mechanism comprises a first screw sleeve 2 and a second screw sleeve 5, and the first cover plate 1 and the second cover plate 4 are respectively provided with a through hole for the first screw sleeve 2 and the second screw sleeve 5 to pass through; the first screw 4 is sleeved with an internal thread, the second screw sleeve 5 is provided with an external thread, and the first screw sleeve 4 can be matched and locked with the second screw sleeve 5.
Referring to fig. 2, in an embodiment of the present invention, when the fixing mechanism is in the first state (after the infrared device is mounted), the first end 21 of the first screw sleeve 2 contacts with the first surface of the circuit board 6, so as to fix the circuit board 6 and prevent the circuit board 6 from shaking in the first direction (as shown in fig. 2, prevent the circuit board 6 from shaking upwards).
Referring to fig. 2, in an embodiment of the present invention, the circuit board 6 is provided with a second through hole, the fixing mechanism (for example, the second screw sleeve 5) passes through the second through hole, and the fixing mechanism contacts with the periphery of the second through hole and can generate a force (for example, friction force or/and supporting force) exceeding a set threshold. In one embodiment, the side wall of the second screw sleeve 5 can closely fit with the second through hole of the circuit board 6. Because the side wall of the second screw sleeve 5 is tightly attached to the circuit board 6, the circuit board 6 can be prevented from shaking (such as left and right, front and back) on the horizontal plane.
The second screw sleeve 5 passes through the second through hole; the supporting mechanism 51 provided in the second screw sleeve 5 can support the second surface of the circuit board 6, so as to prevent the circuit board 6 from shaking in the second direction (as shown in fig. 2, prevent the circuit board 6 from shaking downwards).
Therefore, the screw sleeve can limit the displacement of the circuit board 6 (which can be a PCBA board) in the horizontal plane, and the step surface design at the position a is matched with the surface b to limit the displacement of the circuit board in the up-and-down direction.
In one embodiment, the second end 22 of the first screw sleeve 2 has an outer diameter larger than the outer diameter of the other portions of the first screw sleeve 2, and serves as a limiting mechanism to prevent the whole first screw sleeve 2 from entering the cavity. The outer diameter of the second end 52 of the second screw sleeve 5 is larger than the outer diameters of other parts of the second screw sleeve 5, and the second end serves as a limiting mechanism to prevent the whole second screw sleeve 5 from entering the cavity. Through the fixed first apron 1 of this kind of mode and second apron 4, avoid first apron 1 and second apron 4 the risk that the perk appears.
As shown in fig. 2, in an embodiment of the present invention, the axial cross-sectional view of the second screw sleeve 5 is a convex structure, and the outer diameter of the bottom of the second screw sleeve 5 is larger than the outer diameter of the part above the bottom; the bottom of the second screw housing 5 serves as the support means 51 (the raised step forms the support means 51). In an embodiment of the present invention, the first screw sleeve 2 and the second screw sleeve 5 are respectively hollow structures; this configuration facilitates later installation of the device in other areas (e.g., on a wall).
In an embodiment of the present invention, an infrared lamp 7 and a filter strip 3 are disposed in the cavity formed between the first cover plate 1 and the second cover plate 4, and the infrared lamp 7 is disposed toward the filter strip 3. In one embodiment, the second cover plate 4 is provided with a groove, two ends of the groove are respectively provided with a first limiting mechanism 41 and a second limiting mechanism 42, and the circuit board 6 is arranged in the groove of the second cover plate 4; the first end of the circuit board 6 is connected with the first limiting mechanism 41, the first end of the filter strip 3 is connected with the second end of the circuit board 6, and the second end of the filter strip 3 is connected with the second limiting mechanism 42.
In an embodiment of the present invention, the first cover plate 1 and the second cover plate 4 form a cavity with a section of type, one side of the cavity is an open structure, and the light filtering strip 3 is disposed on the side of the cavity in the open structure.
Fig. 4 is a flow chart illustrating a method for processing an infrared device according to an embodiment of the present invention; referring to fig. 4, in an embodiment of the present invention, the processing method includes:
step S1, arranging a circuit board at a set position of a second shell, wherein the circuit board and the second shell are respectively provided with a through hole;
step S2, a second screw is penetrated through the second shell and the through hole of the circuit board; the supporting mechanism sleeved on the second screw can support the second surface of the circuit board, so that the circuit board is prevented from shaking towards a second direction (corresponding to the axial direction of the first screw sleeve and the second screw sleeve, such as the lower part in the figure 1); the set position of the second screw sleeve is in close contact with the through hole of the circuit board, so that the circuit board is prevented from shaking in the radial direction of the second screw sleeve;
step S3, arranging a filter strip on the second shell, wherein the filter strip is arranged close to the circuit board;
step S4, arranging the first shell above the second shell, and clamping the upper end of the light filter strip in a set groove of the first shell;
step S5, enabling the first screw to penetrate through the through hole of the first shell, enabling the first screw and the second screw to be matched and locked, and enabling the first shell and the second shell to be fixed; the first end of the first screw sleeve is in contact with the first surface of the circuit board, so that the circuit board can be fixed, and the circuit board is prevented from shaking towards the first direction (corresponding to the axial directions of the first screw sleeve and the second screw sleeve, such as the upper direction in fig. 1).
To sum up, the utility model provides an infrared device and fixing device thereof can avoid the circuit board to rock, avoids the apron perk, improves infrared device's reliability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the present invention are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the present invention.
Claims (10)
1. An infrared device, comprising: the device comprises a first cover plate, a second cover plate, a circuit board and a fixing mechanism;
the first cover plate and the second cover plate are fixed through the fixing mechanism, after the first cover plate and the second cover plate are fixedly connected, a cavity is formed between the first cover plate and the second cover plate, and the circuit board is arranged in the cavity;
the fixing mechanism comprises a first screw sleeve and a second screw sleeve, and the first cover plate and the second cover plate are respectively provided with a through hole for the first screw sleeve and the second screw sleeve to pass through; the first screw sleeve is provided with an internal thread, the second screw sleeve is provided with an external thread, and the first screw sleeve can be matched and locked with the second screw sleeve.
2. The infrared device according to claim 1, characterized in that:
when the fixing mechanism is in a first state, the first end of the first screw sleeve is in contact with the first surface of the circuit board, so that the circuit board can be fixed, and the circuit board is prevented from shaking towards a first direction; the circuit board is provided with a second through hole, and the second screw sleeve penetrates through the second through hole; the supporting mechanism that the second screw cover was equipped with can support the second face of circuit board, avoids the circuit board to rock towards the second direction.
3. The infrared device according to claim 2, characterized in that:
the axial cross section of the second screw sleeve is of a convex structure, and the outer diameter of the bottom of the second screw sleeve is larger than that of the part above the bottom; the bottom of the second screw sleeve is used as the supporting mechanism.
4. The infrared device according to claim 1, characterized in that:
the circuit board is provided with a second through hole, the fixing mechanism penetrates through the second through hole, and the fixing mechanism is in contact with the periphery of the second through hole and can generate force exceeding a set threshold value.
5. The infrared device according to claim 1, characterized in that:
the first screw sleeve and the second screw sleeve are respectively of a hollow structure.
6. The infrared device according to claim 1, characterized in that:
an infrared lamp and a light filtering strip are arranged in a cavity formed between the first cover plate and the second cover plate, and the infrared lamp is arranged towards the light filtering strip; the bottom of the light filtering strip is arranged in a groove formed in the second cover plate, and the bottom of the light filtering strip is connected with the circuit board.
7. The infrared device according to any one of claims 1 to 6, characterized in that:
the second cover plate is provided with a groove, a first limiting mechanism and a second limiting mechanism are respectively arranged at two ends of the groove, and the circuit board is arranged in the groove of the second cover plate;
the first end of the circuit board is connected with the first limiting mechanism, the first end of the light filtering strip is connected with the second end of the circuit board, and the second end of the light filtering strip is connected with the second limiting mechanism;
the first cover plate and the second cover plate form a cavity with an -shaped section, one side of the cavity is of an open structure, and the light filtering strip is arranged on one side of the cavity, which is in the open structure.
8. The infrared device according to any one of claims 1 to 6, characterized in that:
the outer diameter of the second end of the first screw sleeve is larger than the outer diameters of other parts of the first screw sleeve, and the first screw sleeve is used as a limiting mechanism to prevent the whole first screw sleeve from entering the cavity;
the outer diameter of the second end of the second screw sleeve is larger than the outer diameters of other parts of the second screw sleeve, and the second screw sleeve is used as a limiting mechanism to prevent the whole second screw sleeve from entering the cavity.
9. A fixture for an infrared device, the fixture comprising: the device comprises a first cover plate, a second cover plate and a fixing mechanism; the infrared device comprises a circuit board;
the first cover plate and the second cover plate are fixed through the fixing mechanism, after the first cover plate and the second cover plate are fixedly connected, a cavity is formed between the first cover plate and the second cover plate, and the circuit board is arranged in the cavity;
the fixing mechanism comprises a first screw sleeve and a second screw sleeve, and the first cover plate and the second cover plate are respectively provided with a through hole for the first screw sleeve and the second screw sleeve to pass through; the first screw sleeve is provided with an internal thread, the second screw sleeve is provided with an external thread, and the first screw sleeve can be matched and locked with the second screw sleeve.
10. The infrared device fixing apparatus as set forth in claim 9, wherein:
the circuit board is provided with a second through hole, the fixing mechanism penetrates through the second through hole, and the fixing mechanism is in contact with the periphery of the second through hole and can generate force exceeding a set threshold value;
the first end of the first screw sleeve is in contact with the first surface of the circuit board, so that the circuit board can be fixed and is prevented from shaking towards the first direction; the supporting mechanism that the second screw cover was equipped with can support the second face of circuit board, avoids the circuit board to rock towards the second direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977042.5U CN211176670U (en) | 2019-11-15 | 2019-11-15 | Infrared device and fixing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921977042.5U CN211176670U (en) | 2019-11-15 | 2019-11-15 | Infrared device and fixing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211176670U true CN211176670U (en) | 2020-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921977042.5U Withdrawn - After Issue CN211176670U (en) | 2019-11-15 | 2019-11-15 | Infrared device and fixing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211176670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986001A (en) * | 2019-11-15 | 2020-04-10 | 湖州佳格电子科技股份有限公司 | Infrared device, fixing device thereof and processing method of infrared device |
-
2019
- 2019-11-15 CN CN201921977042.5U patent/CN211176670U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986001A (en) * | 2019-11-15 | 2020-04-10 | 湖州佳格电子科技股份有限公司 | Infrared device, fixing device thereof and processing method of infrared device |
| CN110986001B (en) * | 2019-11-15 | 2024-02-23 | 湖州佳格电子科技股份有限公司 | Infrared device, fixing device thereof and processing method of infrared device |
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Granted publication date: 20200804 Effective date of abandoning: 20240223 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200804 Effective date of abandoning: 20240223 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |